SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.
Ahrefs - Ahrefs is a toolset for SEO and marketing. We have tools for backlink research, organic traffic research, keyword research, content marketing & more. Give Ahrefs a try!
SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters
Optmyzr - Optmyzr AdWords Tools. Optimization Solutions, Quality Score Tracker, Landing Page Checker, and more. Free Trial Available.
Serpstat - Search analytics, Rank tracking, Backlink analysis and Site Audit tool.
Freshmarketer - An all-in-one CRO suite.